David A. Greenberg, O.D., M.P.H. received a Bachelor's degree from Syracuse University.  He received the Doctor of Optometry degree from the New England College of Optometry and a Masters degree in Public Health from Harvard University.

Dr. Greenberg has long been a nationally recognized leader in optometric education.  He served as Vice President for Academic Affairs and Dean of the Illinois College of Optometry from 1984 until 1997.  He had previously served on the faculty of both the Southern California College of Optometry and the New England College of Optometry.  Dr. Greenberg has lectured extensively throughout the United States and internationally.

Among a wide array of professional activities Dr. Greenberg served as Chairman of the Section on Primary Care of the American Academy of Optometry for almost a decade, was an invited presenter at the White House Conference on Vision and Aging and the International Symposium on the Cornea held in Prague, Czechoslovakia.  Dr. Greenberg's publications have appeared in numerous professional journals and textbooks including the Textbook of Primary Care Medicine.  He was also the editor of Eye Care Digest, a national monthly newsletter for optometrists.  Dr. Greenberg currently serves as a member of the Leadership Council of the Harvard School of Public Health.   Dr. Greenberg has served as Executive Director of the Chicago Eye Institute since 1999.